Bematech LR200M Manual

LR200M Android Bluetooth SDK Development

1. Introduction

(1) Software package name
com.RT_Printer.BluetoothPrinter.BLUETOOTH
(2) Class Name
Class Name
BluetoothPrintDriver

2. Methods in Class BluetoothPrintDriver

 instantiation
BluetoothPrintDriver(this, mHandler);
Set Handler to receive the messages from SDK, Including state changes, Bluetooth to
send data, Bluetooth receive data (printer returned data: battery voltage, the error
status is returned by MESSAGE_READ) as well as a successful connection and
connection failures. Corresponding constants are:
MESSAGE_STATE_CHANGE,
MESSAGE_DEVICE_NAME, MESSAGE_TOAST
open and close the connection method

1. connect(device); Establish a connection with a Bluetooth device (OpenPrinter ()
method has expired)
2 stop(); Disconnect the Bluetooth device (close () method has expired)
3. IsNoConnection(); Judge the status of the Bluetooth connection
 basic print method
1. Begin(); Initialize the printer
2. Print String or byte data type. Use this method to be sent the command directly to
the printer
（1）public static void
Parameter:
（2）public static void
Parameter:
（3）public static void
Parameter： out：byte data need to send
Discription
Bluetooth connection and printer operation
MESSAGE_WRITE,
BT_Write (String dataString)
dataString：String data need to send
BT_Write (String dataString,
dataString：String data need to send
bGBK：GBK Flag，true
BT_Write (byte[] out)
boolean bGBK)
or false
MESSAGE_READ,